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Finding the Fourth Proportional to 62,843.25, 86,724.30 and 34,549.56

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Solution

The fourth proportional to 62,843.25, 86,724.30 and 34,549.56 is: 47,678.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,843.25 : 86,724.30 = 34,549.56 : x
  2. Step 2: Convert to fraction form
    62,843.25/86,724.30 = 34,549.56/x
  3. Step 3: Cross multiply
    62,843.25x = 86,724.30 × 34,549.56
  4. Step 4: Simplify right side
    62,843.25x = 2,996,286,406.31
  5. Step 5: Solve for x
    x = 2,996,286,406.31/62,843.25
  6. Step 6: Final answer
    x = 47,678.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.